* {
  box-sizing: border-box;
}

body {
  margin: 0;
  min-height: 100vh;
  font-family: Arial, Helvetica, sans-serif;
  color: #fff7db;
  background:
    radial-gradient(circle at top, rgba(255, 213, 85, 0.26), transparent 34%),
    linear-gradient(145deg, #160706 0%, #301006 45%, #090403 100%);
}

.page-shell {
  min-height: 100vh;
  display: grid;
  place-items: center;
  padding: 22px;
}

.game-card {
  width: min(440px, 100%);
  padding: 28px 20px 22px;
  border: 1px solid rgba(255, 205, 93, 0.35);
  border-radius: 28px;
  background: linear-gradient(180deg, rgba(80, 28, 8, 0.92), rgba(24, 8, 4, 0.96));
  box-shadow: 0 25px 90px rgba(0, 0, 0, 0.55), inset 0 1px 0 rgba(255, 255, 255, 0.12);
  text-align: center;
  overflow: hidden;
  position: relative;
}

.game-card::before {
  content: "";
  position: absolute;
  inset: -120px -90px auto auto;
  width: 220px;
  height: 220px;
  background: rgba(255, 201, 66, 0.14);
  border-radius: 50%;
  filter: blur(8px);
}

.top-label {
  position: relative;
  display: inline-flex;
  padding: 7px 13px;
  border-radius: 999px;
  background: rgba(255, 198, 63, 0.12);
  border: 1px solid rgba(255, 198, 63, 0.32);
  color: #ffd76b;
  font-size: 12px;
  font-weight: 700;
  letter-spacing: 0.08em;
  text-transform: uppercase;
}

h1 {
  position: relative;
  margin: 18px 0 8px;
  font-size: clamp(30px, 8vw, 46px);
  line-height: 0.96;
  letter-spacing: -1px;
  color: #ffe28a;
  text-shadow: 0 4px 0 #6d2608, 0 0 24px rgba(255, 190, 41, 0.35);
}

.subtitle {
  position: relative;
  max-width: 340px;
  margin: 0 auto 22px;
  color: #f7dca8;
  font-size: 14px;
  line-height: 1.45;
}

.tile-stage {
  position: relative;
  margin: 0 auto 18px;
  padding: 16px;
  border-radius: 22px;
  background: rgba(0, 0, 0, 0.22);
  border: 1px solid rgba(255, 255, 255, 0.08);
}

.tile-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 10px;
}

.tile {
  height: 72px;
  display: grid;
  place-items: center;
  border-radius: 16px;
  background: linear-gradient(180deg, #fff5d7, #e7b94e);
  color: #6a2006;
  font-size: 34px;
  box-shadow: inset 0 -5px 0 rgba(88, 35, 0, 0.18), 0 9px 18px rgba(0, 0, 0, 0.28);
  transition: transform 0.22s ease, filter 0.22s ease;
}

.tile-grid.shuffling .tile {
  transform: rotate(8deg) scale(0.94);
  filter: brightness(1.2);
}

.status-box {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 12px;
  margin-bottom: 16px;
  padding: 12px 14px;
  border-radius: 16px;
  background: rgba(255, 255, 255, 0.08);
  color: #ffe8aa;
  font-size: 14px;
}

.button-row {
  display: grid;
  grid-template-columns: 1fr;
  gap: 12px;
}

.btn {
  width: 100%;
  border: 0;
  border-radius: 18px;
  padding: 16px 18px;
  cursor: pointer;
  font-size: 18px;
  font-weight: 900;
  letter-spacing: 0.04em;
  transition: transform 0.16s ease, opacity 0.16s ease, filter 0.16s ease;
}

.btn:hover {
  transform: translateY(-2px);
  filter: brightness(1.08);
}

.btn:active {
  transform: translateY(1px) scale(0.99);
}

.btn:disabled {
  opacity: 0.6;
  cursor: not-allowed;
  transform: none;
}

.btn-primary {
  color: #351000;
  background: linear-gradient(180deg, #ffe37a, #ff9f1c);
  box-shadow: 0 12px 26px rgba(255, 157, 28, 0.34);
}

.btn-secondary {
  color: #fff;
  background: linear-gradient(180deg, #e43b26, #9f160c);
  box-shadow: 0 12px 26px rgba(228, 59, 38, 0.28);
}

.small-note {
  margin: 14px 0 0;
  color: rgba(255, 238, 194, 0.62);
  font-size: 12px;
}

.small-note code {
  color: #ffd76b;
}

@media (min-width: 520px) {
  .button-row {
    grid-template-columns: 1.15fr 0.85fr;
  }
}